--- gforth/prim	2008/10/06 21:21:20	1.236
+++ gforth/prim	2010/04/05 22:17:56	1.246
@@ -1,6 +1,6 @@
 \ Gforth primitives
 
-\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008 Free Software Foundation, Inc.
+\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
 
 \ This file is part of Gforth.
 
@@ -233,6 +233,19 @@ SET_IP(DOES_CODE1(CFA));
 ""just a slot to have an encoding for the DOESJUMP, 
 which is no longer used anyway (!! eliminate this)""
 
+(doabicode) ( s:... f:... -- s:... f:...)	gforth-internal	paren_doabicode
+""run-time routine for ABI-CODE definitions""
+struct abi_code_ret_t {  
+    Cell *sp; 
+    double * fp; 
+} ret = ((struct abi_code_ret_t(*)(Cell *, double *))(PFA(CFA)))(sp, fp);
+sp = ret.sp;
+fp = ret.fp;
+#ifdef NO_IP
+INST_TAIL;
+goto *next_code;
+#endif /* defined(NO_IP) */
+
 \F [endif]
 
 \g control
@@ -625,6 +638,14 @@ k	( R:w R:w1 R:w2 R:w3 R:w4 -- w R:w R:w
 
 \ digit is high-level: 0/0%
 
+abi-call	( #a_callee s:... f:... -- s:... f:... )	gforth	abi_call
+struct abi_code_ret_t {  
+    Cell *sp; 
+    double * fp; 
+} ret = ((struct abi_code_ret_t(*)(Cell *, double *))(a_callee))(sp, fp);
+sp = ret.sp;
+fp = ret.fp;
+
 \g strings
 
 move	( c_from c_to ucount -- )		core
@@ -1662,7 +1683,11 @@ ucols=cols;
 
 wcwidth	( u -- n )	gforth
 ""The number of fixed-width characters per unicode character u""
+#ifdef HAVE_WCWIDTH
 n = wcwidth(u);
+#else
+n = 1;
+#endif
 
 flush-icache	( c_addr u -- )	gforth	flush_icache
 ""Make sure that the instruction cache of the processor (if there is
@@ -1694,6 +1719,7 @@ c_addr2 = (Char *)getenv(cstr(c_addr1,u1
 u2 = (c_addr2 == NULL ? 0 : strlen((char *)c_addr2));
 
 open-pipe	( c_addr u wfam -- wfileid wior )	gforth	open_pipe
+fflush(stdout);
 wfileid=(Cell)popen(cstr(c_addr,u,1),pfileattr[wfam]); /* ~ expansion of 1st arg? */
 wior = IOR(wfileid==0); /* !! the man page says that errno is not set reliably */
 
@@ -1831,13 +1857,15 @@ wior = IOR(ftruncate(fileno((FILE *)wfil
 read-file	( c_addr u1 wfileid -- u2 wior )	file	read_file
 /* !! fread does not guarantee enough */
 u2 = fread(c_addr, sizeof(Char), u1, (FILE *)wfileid);
+if (u2>0)
+   gf_regetc((FILE *)wfileid);
 wior = FILEIO(u2<u1 && ferror((FILE *)wfileid));
 /* !! is the value of ferror errno-compatible? */
 if (wior)
   clearerr((FILE *)wfileid);
 
 (read-line)	( c_addr u1 wfileid -- u2 flag u3 wior ) file	paren_read_line
-struct Cellquad r = read_line(c_addr, u1, wfileid);
+struct Cellquad r = read_line(c_addr, u1, (FILE *)wfileid);
 u2   = r.n1;
 flag = r.n2;
 u3   = r.n3;
@@ -2145,6 +2173,7 @@ int flag;
 int decpt;
 sig=ecvt(r, u, &decpt, &flag);
 n=(r==0. ? 1 : decpt);
+flag=signbit(r); /* not all ecvt()s do this as desired */
 f1=FLAG(flag!=0);
 f2=FLAG(isdigit((unsigned)(sig[0]))!=0);
 siglen=strlen((char *)sig);
@@ -2407,21 +2436,7 @@ r = fp[u];
 \g syslib
 
 open-lib	( c_addr1 u1 -- u2 )	gforth	open_lib
-#ifdef HAVE_LIBLTDL
-u2 = (UCell)lt_dlopen(tilde_cstr(c_addr1, u1, 1));
-#elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN)
-#ifndef RTLD_GLOBAL
-#define RTLD_GLOBAL 0
-#endif
-u2=(UCell) dlopen(tilde_cstr(c_addr1, u1, 1), RTLD_GLOBAL | RTLD_LAZY);
-#else
-#  ifdef _WIN32
-u2 = (Cell) GetModuleHandle(tilde_cstr(c_addr1, u1, 1));
-#  else
-#warning Define open-lib!
-u2 = 0;
-#  endif
-#endif
+u2 = gforth_dlopen(c_addr1, u1);
 
 lib-sym	( c_addr1 u1 u2 -- u3 )	gforth	lib_sym
 #ifdef HAVE_LIBLTDL
@@ -2471,6 +2486,9 @@ lib-error ( -- c_addr u )       gforth
 #ifdef HAVE_LIBLTDL
 c_addr = (Char *)lt_dlerror();
 u = (c_addr == NULL) ? 0 : strlen((char *)c_addr);
+#elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN)
+c_addr = dlerror();
+u = strlen(c_addr);
 #else
 c_addr = "libltdl is not configured";
 u = strlen(c_addr);